1 files changed, 1 insertions, 1 deletions
diff --git a/py/misc.h b/py/misc.h
index 044fef6236..3f62e3198f 100644
--- a/py/misc.h
+++ b/py/misc.h
@@ -82,7 +82,7 @@ int m_get_peak_bytes_allocated(void);
 /** array helpers ***********************************************/
 
 // get the number of elements in a fixed-size array
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+#define MP_ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
 
 /** unichar / UTF-8 *********************************************/